70236146 has 8 divisors (see below), whose sum is σ = 111551580. Its totient is φ = 33052288.

The previous prime is 70236143. The next prime is 70236161. The reversal of 70236146 is 64163207.

It can be written as a sum of positive squares in 2 ways, for example, as 69538921 + 697225 = 8339^2 + 835^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (70236143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032851 + ... + 1032918.

Almost surely, 2^70236146 is an apocalyptic number.

70236146 is a deficient number, since it is larger than the sum of its proper divisors (41315434).

70236146 is a wasteful number, since it uses less digits than its factorization.

70236146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065788.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 70236146 is about 8380.7008060186. The cubic root of 70236146 is about 412.5914503088.

The spelling of 70236146 in words is "seventy million, two hundred thirty-six thousand, one hundred forty-six".